WO2000010398A1 - Procede de lavage de boyaux et dispositif permettant d'enlever la graisse ou les autres substances flottantes - Google Patents

Procede de lavage de boyaux et dispositif permettant d'enlever la graisse ou les autres substances flottantes Download PDF

Info

Publication number
WO2000010398A1
WO2000010398A1 PCT/SE1999/001332 SE9901332W WO0010398A1 WO 2000010398 A1 WO2000010398 A1 WO 2000010398A1 SE 9901332 W SE9901332 W SE 9901332W WO 0010398 A1 WO0010398 A1 WO 0010398A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
container
liquid
substance
guts
Prior art date
Application number
PCT/SE1999/001332
Other languages
English (en)
Inventor
Christer Appelgren
Original Assignee
Ingenjörsfirman Geotech AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ingenjörsfirman Geotech AB filed Critical Ingenjörsfirman Geotech AB
Priority to AU56624/99A priority Critical patent/AU5662499A/en
Priority to EP99943553A priority patent/EP1124429A1/fr
Publication of WO2000010398A1 publication Critical patent/WO2000010398A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2433—Discharge mechanisms for floating particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0211—Separation of non-miscible liquids by sedimentation with baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042—Baffles or guide plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2405—Feed mechanisms for settling tanks
    • B01D21/2416—Liquid distributors with a plurality of feed points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids

Definitions

  • the present invention relates to a method used in a casing factory, wherein guts are advanced through a liquid inside a container, of removing substances, particularly fat floating on top of the liquid, rendering the cleaning process difficult, when the guts become greasy.
  • the invention likewise concerns a device for performing the method.
  • the guts are fed into and are squeezed between two rotating rollers, while water is being sprayed in between the rollers, preventing the guts from sticking. After having been cleaned, the guts are drawn to a soaking tank, and the flowing water contributes to carry the guts down into the tank. Thereafter, the guts are transported at a slow pace through the water in the tank and are then processed by the next machine in the line.
  • the water in the soaking tank becomes very greasy and is removed directly by way of a discharge pipe, to be cleaned.
  • the costs of cleaning this fat- laden water are considerable, and to these costs are added those of heating the large amounts of water consumed by the machine .
  • the object of the present invention is to solve the above problems by means of a method and a device enabling separation of fat or other substances from the water in the soaking tank, making the water reusable thereafter to a very large extent.
  • a fluid in the form of jets is sprayed onto the surface of the liquid.
  • the substance is thus set in motion by the fluid and is entrained thereby in parallel with the liquid surface and flows over at least one edge at the walls that delimit the container.
  • the jets of fluid transfer kinetic energy to the surface layer of the liquid and to substances floating thereon.
  • the substances are set in motion and may be removed from the container in any suitable manner.
  • the method of transferring kinetic energy by means of jets of fluid means that the risks of damages to the guts present inside the container have been removed. Since the cleaning process continuously requires considerable amounts of flowing heated water, the jets of fluid could quite simply form part of this flow, and consequently the method requires only very minor process-technical changes.
  • the substance entrained by the fluid could also be transported crosswise relative to the direction of advancement of the guts along the liquid surface towards at least one of the sides of the container that extends in parallel with the direction of advancement of the guts.
  • the movements of the fluid and of the substance are thus affected to allow removal of the substance at the container sides.
  • This arrangement makes it possible to provide a number of substance discharge points, located downstream relative to one another, along the container sides. For instance, the substance may be caused to escape through at least one opening formed in the walls of the container. If the opening is located at a level spaced only slightly above the liquid surface, the substance may be made to collect at the opening and "climb" over the lower edge of the opening.
  • This substance discharge method requires only very minor changes to be made to existing containers.
  • the fluid that is sprayed onto the surface may also consist of recirculated liquid withdrawn from the container and subjected to filtering in order to remove non-floating particles. In this manner water from which fat or other substances have been removed is made use of in the continued cleaning process.
  • the device in accordance with the invention is provided with a fluid feeding means arranged to feed a fluid in the form of jets down onto the substance floating on top of the liquid and to cause the fluid to entrain the substance in a direction in parallel with the liquid surface to a substance discharge means located at the container walls.
  • the fluid feeding means could consists of a pipe extending crosswise relative to the direction of advancement of the guts and provided with several apertures through which the fluid may be discharged in the form of jets.
  • guide baffles may be arranged crosswise relative to the direction of advancement of the guts in order to guide the fluid-entrained substance towards at least one of the container walls that extends in parallel with the direction of advancement of the guts.
  • the guide baffle may be bent at an angle directed towards said fluid feeding means so as to form a double plough share in the liquid, in the direction of advancement of the guts.
  • the container walls may comprise at least one aperture through which the substance may be discharged.
  • Fig 1 is a perspective view of a soaking tank equipped with the device in accordance with one embodiment of the invention.
  • Fig 2 is a plan view of the tank of Fig 1.
  • Fig 3 schematically represents a system of recirculation of water from the soaking tank. Description of a Preferred Embodiment
  • the device in accordance with the invention is arranged in a gut-cleaning soaking tank.
  • the soaking tank generally designated by reference 1, essentially consists of a rectangular container 2 made from stainless steel or plastics.
  • the container When in use, the container is filled with liquid, usually water 3, up to a level A.
  • a feeder 22 slowly advances guts 23 forwards through the water.
  • the pipe 4 is disposed along one of the short sides 2a of the container and the pipe length essentially equals the width of the container 2.
  • the pipe 4 is formed with apertures equidistantly spaced along the entire length of the pipe 4.
  • the apertures are minute holes 5, preferably having a diameter less than 5 mm, but could equally well conists of nozzles or nipples.
  • Two guide baffles 6, partly submerged into the water 3, are disposed between the two long sides 2b of the container, so as to extend across the entire container width.
  • the guide baffles 6 suitably are made from e.g. stainless steel, and in accordance with the shown embodiment they are bent into a V- shape, the apex 6a of the V pointing towards the apertured pipe
  • each guide baffle 6 forms a stationarily mounted, double plough share, which faces the apertured pipe 4 and which is partly submerged below the water level A.
  • openings in accordance with the shown example in the form of elongate rectangular slots 8, have been made in said container long sides at a level somewhat above and in parallel with the water level.
  • the slots 8 are located oppositely one another in pairs in opposed long sides 2b, and a guide baffle 6 configured as a plough blade extends between each pair of slots.
  • the guide baffles 6 project above the upper edges 8a of the respective slots 8.
  • Ducts 9 extend externally along the long sides 2b of the container for the purpose of removing substances 21, such as fat, that are discharged through the slots 8.
  • the ducts 9 slope downwards, in the direction away from the pipe 4.
  • FIG 3 illustrates how the device in accordance with the invention may be incorporated into a system of recirculation of water in a soaking tank.
  • an outlet pipe 10 is located, in which a pump 11 is arranged to remove cleaned water from the container 2.
  • the outlet pipe 10 is located downstream from the two guide baffles 6, where the amount of remaining substances is minimal.
  • a filter 12 is positioned after the pump 11 for further cleaning of the water, as well as several pipes 13, 14, 15, and 16 carrying the cleaned water further.
  • Pipe 13 carries water back to the soaking tank and divides into pipes 14 and 15, which carry water to the fluid feeding means 4 and directly to the container 2, respectively.
  • Pipe 16 leads to another, water-consuming machine 17, and from there to a waste cleaning plant 18.
  • a fluid is fed through the pipe 15 to the apertured pipe 4 and is forced out through the apertures 5 therein in such a manner that jets 20 are formed, which are sprayed downwards onto the liquid 3 in the container 2.
  • the fluid like the liquid inside the container, consists of water and it is sprayed in the direction of advancement of the guts.
  • the jets 20 are directed essentially tangentially against the water level A in the container, such that along the line of impingement they form a preferably acute angle ⁇ to the plane of the water level A.
  • the water jets 20 cause sustances 21 present on the surface to move in the direction of flow of the jets 20 along the surface A.
  • the substances 21, which primarily consist of fat, are moved into abutment against the transverse guide baffles 6 and are directed by said baffles against the two long sides 2b of the container 2 and collect in the area of the slots 8.
  • the fat As increasing amounts of fat gradually collect adjacent the slots 8, the fat "climbs" up the sides of the container 2 and eventually flows out through the slots, the latter being positioned at a level only spaced a small distance, preferably one or a few millimeters, above the water level A.
  • the fat then is collected in the ducts 9 extending externally along the sides 2b of the container, and is processed in any suitable manner. Downstream from the two guide baffles 6 water is pumped to the filter 12, where remaining pollutants are separated out by filtration, and the water may then be recirculated to the cleaning process.
  • a smaller amount of the cleaned water preferably about 20% is pumped to the waste cleaning plant 18 after having been used in a waste grinder 17 or other machine not requiring fully cleaned water, whereas a major proportion, preferably about 80%, is pumped back to the soaking tank 1.
  • a proportion of the thus returned water preferably about a fourth (i.e. approximately 20% of the original, cleaned water), is carried to the apertured pipe 4, which does not require any further water source. The remainder is fed into the container 2 together with fresh, heated water in an amount corresponding to the amount that is pumped to the waste cleaning plant 18.
  • the temperature of the freshly added water is higher than the desired water- temperature level in the tank.
  • the freshly supplied water may have a temperature of approximately 50 °C, in case the desired water temperature level in the tank is 40 - 45 °C.
  • the container 2 could be formed with double walls, in which case the substance 21 is made to flow over the inner container wall.
  • the fluid feeding device 4 could be arranged to discharge jets transversely across the direction of gut advancement.
  • the fluid could be fed from below towards the surface of the liquid in order thus to achieve a similar effect.
  • the fluid which in the described example is a liquid, could instead be a gas, for example air, which is propelled under pressure.
  • the configuration and the number of the components incorporated in the inventive object could be varied.
  • two or several fluid feeding means could cooperate to provide efficient discharge of fat.
  • the guide baffles 6 could be straight instead of being V-shaped.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne un procédé qui, dans une installation de nettoyage de boyaux, permet d'enlever une substance (21) flottant à la surface d'un liquide (3). La surface (A) du liquide est aspergée d'un fluide sous forme de jets (20) qui sont dirigés dans le même sens que le sens d'avancement des boyaux et qui forment un angle aigu (ζ) avec la surface (A) du liquide. La substance (21) est ainsi mise en mouvement par le fluide; elle est transportée parallèlement à la surface (A) du liquide et perpendiculairement au sens d'avancement des boyaux et s'écoule par dessus les des bords (8) réalisés dans les parois (2b) du contenant (2). L'invention concerne également un dispositif permettant de mettre en oeuvre ce procédé. Ce dispositif comprend un moyen d'alimentation en fluide se présentant sous la forme d'un conduit (5) monté perpendiculairement au sens d'avancement des boyaux. Le conduit est pourvu de plusieurs orifices (5) par lesquels le fluide peut être évacué sous forme de jets (20).
PCT/SE1999/001332 1998-08-03 1999-08-03 Procede de lavage de boyaux et dispositif permettant d'enlever la graisse ou les autres substances flottantes WO2000010398A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU56624/99A AU5662499A (en) 1998-08-03 1999-08-03 Gut cleaning method and device for removal of fat or other floating substances
EP99943553A EP1124429A1 (fr) 1998-08-03 1999-08-03 Procede de lavage de boyaux et dispositif permettant d'enlever la graisse ou les autres substances flottantes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9802656-0 1998-08-03
SE9802656A SE9802656L (sv) 1998-08-03 1998-08-03 Förfarande och anordning för att avlägsna fett vid tarmrensning

Publications (1)

Publication Number Publication Date
WO2000010398A1 true WO2000010398A1 (fr) 2000-03-02

Family

ID=20412186

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1999/001332 WO2000010398A1 (fr) 1998-08-03 1999-08-03 Procede de lavage de boyaux et dispositif permettant d'enlever la graisse ou les autres substances flottantes

Country Status (4)

Country Link
EP (1) EP1124429A1 (fr)
AU (1) AU5662499A (fr)
SE (1) SE9802656L (fr)
WO (1) WO2000010398A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104286131A (zh) * 2014-10-27 2015-01-21 南通天龙畜产品有限公司 一种肠皮与肠粘膜快速分离装置
US10953078B2 (en) 2016-09-20 2021-03-23 Pneumagen Limited Treatment and/or prevention of sepsis
CN115708527A (zh) * 2022-11-04 2023-02-24 安徽欣宏生物科技有限公司 一种便于控制水压的清洗装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601851A3 (fr) * 1986-07-23 1988-01-29 Fava Giorgio C Snc Appareil automatique de lavage des boyaux.
GB2202758A (en) * 1987-02-24 1988-10-05 Roland Richard Gibson Collecting floating material
DE3644976C2 (fr) * 1985-12-04 1992-08-27 Passavant-Werke Ag, 6209 Aarbergen, De

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3644976C2 (fr) * 1985-12-04 1992-08-27 Passavant-Werke Ag, 6209 Aarbergen, De
FR2601851A3 (fr) * 1986-07-23 1988-01-29 Fava Giorgio C Snc Appareil automatique de lavage des boyaux.
GB2202758A (en) * 1987-02-24 1988-10-05 Roland Richard Gibson Collecting floating material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104286131A (zh) * 2014-10-27 2015-01-21 南通天龙畜产品有限公司 一种肠皮与肠粘膜快速分离装置
US10953078B2 (en) 2016-09-20 2021-03-23 Pneumagen Limited Treatment and/or prevention of sepsis
CN115708527A (zh) * 2022-11-04 2023-02-24 安徽欣宏生物科技有限公司 一种便于控制水压的清洗装置

Also Published As

Publication number Publication date
SE510882C2 (sv) 1999-07-05
AU5662499A (en) 2000-03-14
SE9802656L (sv) 1999-07-05
EP1124429A1 (fr) 2001-08-22
SE9802656D0 (sv) 1998-08-03

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